Base | Representation |
---|---|
bin | 100110011101… |
… | …001111000111 |
3 | 200222011211122 |
4 | 212131033013 |
5 | 10040044343 |
6 | 1000024155 |
7 | 151455215 |
oct | 46351707 |
9 | 20864748 |
10 | 10081223 |
11 | 5766199 |
12 | 346205b |
13 | 211c829 |
14 | 14a5cb5 |
15 | d42068 |
hex | 99d3c7 |
10081223 has 2 divisors, whose sum is σ = 10081224. Its totient is φ = 10081222.
The previous prime is 10081217. The next prime is 10081237. The reversal of 10081223 is 32218001.
It is a weak prime.
It is an emirp because it is prime and its reverse (32218001) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10081223 - 210 = 10080199 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10081523) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5040611 + 5040612.
It is an arithmetic number, because the mean of its divisors is an integer number (5040612).
Almost surely, 210081223 is an apocalyptic number.
10081223 is a deficient number, since it is larger than the sum of its proper divisors (1).
10081223 is an equidigital number, since it uses as much as digits as its factorization.
10081223 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 10081223 is about 3175.0941718318. The cubic root of 10081223 is about 216.0251956777.
Adding to 10081223 its reverse (32218001), we get a palindrome (42299224).
The spelling of 10081223 in words is "ten million, eighty-one thousand, two hundred twenty-three".
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